If you were asked to create lists covering the similarities and differences between exponential, logarithmic, and rational functions, what would you have on your lists? I recently had to answer this question from the seat of a student and was surprised how long it took me to decide what to write down. When I talked with my students, they mostly went with the graphs (which I also did), but a few talked about the inverse. As a learner, I was not sure - which made me think about rubrics and I… Continue

Added by Sandra Norton on November 29, 2010 at 4:19pm — No Comments

Through our Connected Math Program, I have 7th graders do a Jumping Jack problem that is very similar to the Marching in Place activitiy that was introduced in the second session. The original Marching in Place activity was designed to show a linear function, while the Jumping Jack problem shows more of an exponential decay function. Just like Marching in Place, students are given one of four "jobs" listed as the jumper, the timer, the counter, and the recorder. The jumper does as many jumping… Continue

Added by Beverly George on November 21, 2009 at 8:30pm — No Comments

Moving onto exponential functions in my classroom, I wanted to try one of the activities we did in Algebra for All, so I re-wrote the Stations of Algebra for exponential functions. I kept the main part of the activity the same, giving students 4 stations to complete. For the base function I used 2x. Each station either changed the starting point of the function, or the base of the exponent. To hurry along the process, I had each group (2 or 3 students) graph one station. After they were all… Continue

Added by Sean Karsten on November 18, 2009 at 3:02pm — 2 Comments

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